{
  "sample_id": "sample_000002",
  "rgb_tif_path": "source_assets/routing/000002/input/rgb.tif",
  "rgb_preview_path": "source_assets/routing/000002/input/rgb_preview.png",
  "source": "Sentinel-2 L2A",
  "bands": [
    "B04",
    "B03",
    "B02"
  ],
  "acquisition_dates": [
    "2024-01-27T10:43:11.024000Z",
    "2024-01-27T10:43:11.024000Z",
    "2023-12-18T10:44:41.024000Z",
    "2023-12-18T10:44:41.024000Z"
  ],
  "mosaic_item_ids": [
    "S2A_MSIL2A_20240127T104311_R008_T32ULV_20240127T161534",
    "S2A_MSIL2A_20240127T104311_R008_T31UGQ_20240127T161539",
    "S2A_MSIL2A_20231218T104441_R008_T32ULV_20231220T102120",
    "S2A_MSIL2A_20231218T104441_R008_T31UGQ_20231220T102037"
  ],
  "cloud_covers": [
    9.934887,
    10.773353,
    12.810315,
    16.161972
  ],
  "s2_search_label": "+/-30d_cloud20",
  "s2_valid_fraction": 1.0,
  "rgb_nonblack_fraction": 0.9845,
  "gsd_m": 10,
  "chip_size_px": [
    512,
    512
  ],
  "crs": "EPSG:32632",
  "bounds_projected": [
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    5474055.737233689,
    346516.6967338099,
    5479175.737233689
  ],
  "bounds_wgs84": [
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    49.398512328520795,
    6.884528680027646,
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  ],
  "center_wgs84": [
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    6.848263951711858
  ],
  "activation_code": "EMSR713",
  "event_name": "Flood in Saarland region,  Germany",
  "event_date": "2024-01-04",
  "countries": [
    {
      "name": "Germany"
    }
  ],
  "product_type": "DEL",
  "product_id": "594",
  "product_key": "EMSR713_AOI01_DEL_594",
  "aoi": {
    "name": "Prims River",
    "number": 1
  },
  "start_point": {
    "lat": 49.422864000000004,
    "lon": 6.8484583,
    "node": 4946918397
  },
  "selected_shelter": {
    "name": "Johannesschule",
    "confidence": "low_fallback_public_facility",
    "candidate_id": "C012"
  },
  "network_type": "walk",
  "osm_aoi_buffer_m": 3000,
  "road_buffer_m": 8,
  "flood_risk_buffer_m": 120,
  "walking_speed_kmh": 4.5,
  "k_routes_per_type": 3,
  "routing_ranking_contract": {
    "version": "packaged_composite_edge_cost_v2",
    "risk_score": "length-weighted mean edge flood_risk",
    "fastest_edge_cost": "travel_time_min",
    "safest_edge_cost": "travel_time_min * (1 + 10 * flood_risk)",
    "balanced_edge_cost": "travel_time_min * (1 + 4 * flood_risk)",
    "route_objective": "sum the corresponding edge cost",
    "eligibility": "blocked_edges == 0",
    "tie_break": [
      "eta_min",
      "distance_m",
      "route_id"
    ],
    "graph_search_performed_at_runtime": false,
    "runtime_validation": "recompute metrics and objective from declared candidate geometry and flood-risk road edges"
  }
}